#42554C

#42554C

Color Values

HEX

#42554C

RGB

66, 85, 76

HSL

151.6, 12.6%, 29.6%

HSV

151.6, 22.4%, 33.3%

CMYK

22.4%, 0.0%, 10.6%, 66.7%

OKLCH

0.4306 0.0278 164.6

Properties

Cool Dark Nearest: RAL 7010 Tarpaulin Grey

Color Harmonies

Complementary

#42554C

#55424B

Analogous

#425542

#425455

#42554C

Triadic

#42554C

#4C4255

#554C42

Split Complementary

#42554C

#554254

#554242

Tetradic

#42554C

#424255

#55424B

#545542

Color Blindness Simulation

Original

#42554C

Protanopia

#4A4A4E

Deuteranopia

#49484F

Tritanopia

#435050

Achromatopsia

#505050

CSS Usage

background-color: #42554C;
color: #42554C;
border-color: #42554C;
Nearest Tailwind: Neutral 600 #525252

Tailwind Shades

50
#F7F8F7
100
#EBEFED
200
#D7E0DC
300
#BACAC2
400
#95ADA1
500
#6F9080
600
#597367
700
#475C52
800
#384840
900
#2B3631
950
#1B221F

Contrast Checker

Text on white

7.97:1

AA Pass AAA Pass

Text on black

2.64:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026